How to explain the KGB’s amazing success identifying CIA agents in the field?
The problem dated from the mid-’70s, the very time that James Angleton, the paranoid head of agency counterintelligence, was at last ushered out of office, to the relief of conscientious officers hitherto cast under a dark cloud of suspicion, their promotion delayed or, worse still, denied, and in some cases entire careers wrecked.